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EP2460692A2 - Support de charge doté d'un dispositif de fixation entraîné - Google Patents

Support de charge doté d'un dispositif de fixation entraîné Download PDF

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Publication number
EP2460692A2
EP2460692A2 EP11009410A EP11009410A EP2460692A2 EP 2460692 A2 EP2460692 A2 EP 2460692A2 EP 11009410 A EP11009410 A EP 11009410A EP 11009410 A EP11009410 A EP 11009410A EP 2460692 A2 EP2460692 A2 EP 2460692A2
Authority
EP
European Patent Office
Prior art keywords
load carrier
holding
drive
vehicle
clamping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP11009410A
Other languages
German (de)
English (en)
Other versions
EP2460692A3 (fr
Inventor
Gerhard Hermbusch
Martin Wyrwich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Westfalia Automotive GmbH
Original Assignee
Westfalia Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westfalia Automotive GmbH filed Critical Westfalia Automotive GmbH
Publication of EP2460692A2 publication Critical patent/EP2460692A2/fr
Publication of EP2460692A3 publication Critical patent/EP2460692A3/fr
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R9/00—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like
    • B60R9/08—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear
    • B60R9/10—Supplementary fittings on vehicle exterior for carrying loads, e.g. luggage, sports gear or the like specially adapted for sports gear for cycles

Definitions

  • the invention relates to a load carrier for a vehicle, in particular a passenger car, with a support base for carrying a load, and with a fastening means for releasably attaching to a support, in particular a trailer hitch of the motor vehicle, wherein the fastening means comprises at least one holding member which is between a for holding stop provided on the abutment, and a release position provided for removing the fastening device from the abutment is adjustable
  • Load carriers which are releasably attachable to a rear of a motor vehicle, for example, plugged into a plug-in receptacle or attachable to a trailer hitch, are well known. When not in use, the load carrier can be removed from the vehicle, so that no space is required for the carriage of the load carrier on the vehicle and also weight is saved, which reduces fuel consumption.
  • a load carrier coupling ie a fastening device in the sense of the preamble of claim 1, from the DE 10 2008 047 110 A1 out.
  • the operation is cumbersome, especially if the load carrier has a relatively large format, eg for loading with three or more bicycles. The operator can then reach the clamping lever hardly or difficult, which makes handling difficult.
  • the fastening device has at least one switchable with a drive switch electrical or fluidic holding drive for driving the at least one holding member.
  • the invention further relates to a load carrier coupling or a fastening device for a load carrier.
  • the attachment means may comprise the drive switches, sensors, a controller or the like described below, and preferably be configured as a module which may be attached to a load carrier or a vehicle.
  • a motor drive that is to say a holding drive with motor, is present for driving the one or more holding members.
  • manual operation would be possible in principle, for example as an emergency operation, this advantageously represents only an additional, optional measure.
  • the fastening device is provided that, for example, the drive motor on the load carrier, that is arranged on the component removable from the motor vehicle.
  • a holding drive of the fastening device is mounted on the vehicle side, that is, so remains on the vehicle, while the load carrier is, so to speak, the passive component.
  • at least one holding drive of the fastening device is provided on both parts, namely on the vehicle and on the load carrier.
  • the concept according to the invention can be used both with attachment devices fastened to a trailer hitch or with load carriers equipped therewith, but also with a load carrier coupling or a fastening device mounted, for example, on a mounting of the vehicle, e.g. can be plugged into a plug-in receptacle or a plug-in receptacle assembly or attached to plug-in projections on the vehicle.
  • the attachment in particular the locking and jamming, done motorized even with such rear carriers.
  • the drive can be present, but also for example on the vehicle-mounted bracket or mounting component, such as a plug-in receptacle.
  • the vehicle-mounted bracket may be provided with a holding member which is motor driven according to the invention.
  • the at least one holding member is expediently loaded by a spring arrangement in the holding position or the release position.
  • the holding drive for example, counteracts the force of the spring arrangement in the sense of, for example, a release the holding device or the fastening device.
  • a spring arrangement represents a security, in particular in the event of a fault or failure of the holding drive.
  • the holding drive only has to be actuated or mounted on the holding member when mounting or dismounting the fastening device.
  • the holding member in a load carrier coupling according to the invention or in a load carrier according to the invention may for example also include a tie rod, hook or the like, which is driven by a motor.
  • the holding member comprises a form-fitting element, in particular a clamping body.
  • the abutment for example, a dome body, which may be spherical or may have a different geometry is then clamped between the clamping body and the abutment body.
  • the dome body may form part of a hitch.
  • a coupling body a coupling ball, that is a spherical Widerhalt.
  • the clamping body and the abutment body are thus expediently designed for clamping a coupling ball.
  • a clamping in the equatorial region is preferred.
  • the fastening device has a support, with which it can be supported directly on the coupling body, in particular the coupling ball.
  • the support is designed and / or arranged so that it can be supported at the top of the flattening present in a standard coupling ball.
  • the drive switch may be, for example, a push button.
  • the drive switch comprises not only one, but several switches.
  • an operator can actuate a pressure switch, which then acts as a drive switch.
  • several drive switches eg operator drive switches and / or sensors, must be actuated or have to output a corresponding actuation signal in order to switch the holding drive.
  • the drive switch may also be a sensor or comprise a sensor, for example a distance sensor, an optical sensor or the like. Of course, several such sensors may be present. Namely, the drive switch preferably comprises at least one sensor operable by the resistor, for example two or more sensors which are at a distance from the resistor, e.g. the dome body or a plug-in receptacle or a plug-in projection, can measure.
  • the holding drive is switchable in dependence on a distance of the respective sensor of the abutment.
  • Such a sensor arrangement which comprises, for example, two or more sensors, can also be used for aligning the fastening device on the dome body or on the abutment.
  • the sensors acting as drive switches or cooperating with the drive switch measure the same or a predetermined distance to the resistor, e.g. a parallelism, for example, to the flattening at the top of the standard coupling ball is present, the holding drive is actuated in the direction of its holding position. If this is not the case, that is to say that the fastening device assumes an inclined position, the sensors measure this and switch off the holding drive.
  • the drive switch also comprises, for example, one or more operator sensors, For example, distance sensors, optical sensors or the like.
  • the at least one operator sensor can detect, for example, the operator himself or an operator's action. If, for example, an operator is in the vicinity of the load carrier, that is, for example, supports or holds it, the holding drive is thereby for example switched or switched. It is also possible that the operator makes a predetermined operation on the distance sensor, for example, his hand pivots in front of this, so as to turn on the holding drive.
  • the holding drive may expediently have a tensioning gear or a clamping gear. It is therefore possible that a clamping gear and / or clamping gear is present between the holding member and the holding drive.
  • the transmission is preferably a transmission gear, so that the force of the holding drive or a motor of the holding drive is amplified when it moves.
  • the holding drive may be a rotary drive or a linear drive.
  • a transmission gear between the motor of the holding drive and the holding member may be present, so that a greater distance between the motor of the holding drive and the holding member is possible.
  • the transmission gear may include, for example, a rod, a cable, a Bowden cable or the like.
  • the holding member may comprise a latch in a preferred embodiment.
  • the attachment device could then one Also refer to as a locking device. It is understood that several bars can be provided.
  • the holding member comprises a form-fitting member, which for a positive connection with a form-fitting counter contour on the abutment, e.g. a coupling body or a coupling ball, a plug-in receptacle or the like, is configured. If the form-fitting element engages positively in the form-fitting counter-contour or is in positive engagement with the latter, this causes the fastening device to be held on the abutment.
  • the holding member comprises, for example, a clamping element.
  • the holding member is designed both for locking, as well as for clamping and / or clamping.
  • the retaining member in this embodiment of the invention has a locking surface and a clamping surface and / or clamping surface.
  • the locking surface or the clamping surface are related to the locking movement or unlocking movement of the at least one holding member adjacent to each other, for example, arranged side by side. They cooperate with a locking counter contour and a clamping counter contour or clamping counter contour.
  • the kinematics now run so that initially the locking surface and the locking counter contour come into engagement with each other or at least next to each other, then only the clamping surface with the clamping counter contour or the clamping surface with the clamping counter contour engage.
  • the holding member is first a lock of the load carrier and then cause a deadlock.
  • a "rattle-free" driving is possible.
  • a control for the holding drive is provided.
  • the controller may be configured, for example, so that it repeatedly periodically supplies the holding drive with energy, for example energized or fluidly actuated, wherein this power supply depends on a previous actuation by the drive switch.
  • energy for example energized or fluidly actuated
  • the controller clocks, as it were, and acts on the holding drive repeatedly in the direction of the holding position.
  • the controller periodically supplies the holding drive in the direction of the release position with energy, if previously given by an operator command to switch in the direction of the release position.
  • the load carrier has a receiver for wireless control of the drive switch.
  • the drive switch can be wirelessly controlled, e.g. with a remote control, which is otherwise intended for locking or to open the vehicle (central locking).
  • the receiver has a very short, limited reception area. This can for example be only 50 to 200cm.
  • the receiver is designed or provided for arrangement at the rear of the motor vehicle. All the above measures have the advantage that the fastening device can only be moved to the release position when an operator is in the vicinity of the load carrier. This also has the advantage that the load carrier can not be removed unchecked from the vehicle, including as anti-theft device.
  • the load carrier expediently has a control for activating and / or deactivating the holding drive or also the at least one drive switch on the basis of at least one activation condition, which in the case of deactivation can also be referred to as a deactivation condition.
  • the controller may be configured to actively switch or disable the drive switch or the hold drive based on the at least one activation condition for a time interval.
  • the drive switch which is arranged, for example, in the rear region of the vehicle or on the load carrier.
  • the load carrier is suitably connectable via electrical contacts with an electrical system of the vehicle, e.g. for power supply and / or for control purposes.
  • the load carrier has a plug for plugging in a trailer socket.
  • the load carrier has a bus coupler for receiving bus signals from the electrical system.
  • the control for actuating the electric drive switch preferably comprises an actuating element with an operating region arranged in an outer region of the vehicle close to the load carrier or on the load carrier itself, in particular in a gripping region provided for gripping the load carrier.
  • the actuator is operable on or near the load carrier, so that the operator, for example at the same time can grab the load carrier and operate the drive switch.
  • the controller expediently comprises a sensor input and / or a sensor and is switched off to evaluate a sensor signal of the sensor as an activation condition, e.g. one of the previously explained distance sensors.
  • Another activation condition that can be received by the load carrier via the electrical system of the vehicle, the standstill of a vehicle engine of the vehicle may also be, so that, for example, when the engine is running, an actuation of the holding drive is not possible.
  • the at least one activation condition is or includes a release signal that can be sent by a release switch.
  • the release switch is arranged, for example, in the interior of the vehicle, for example in the cockpit thereof, in the luggage compartment, preferably protected by a cover, or elsewhere in the vehicle.
  • the release switch can also comprise a transmitter arranged on a vehicle key for the vehicle or on a key fob housing and the load carrier an associated radio receiver for receiving the release signal.
  • the time interval can be given by the operator of the vehicle, whereupon the time interval for actuating the drive switch begins.
  • the transmitter is arranged, for example, in a vehicle key housing, in particular its handle.
  • the at least one activation condition may also include a functional position of an engine switch for starting a vehicle engine of the vehicle.
  • the functional position is for example an operational readiness of the vehicle, for example a signal "terminal 15 on”.
  • the signal may be, for example, the switched plus on the ignition start switch ("terminal 15") or else the so-called ignition lock radio position ("terminal 15r").
  • the at least one activation condition comprises a functional position "motor off", for example "terminal 15", of the motor start switch.
  • one of the activation conditions is in any case made such that the motor is switched off or is to the activation of the drive switch and / or to trigger the time interval.
  • the activation condition may be, for example, a state change "engine on - engine off", so that, for example, after stopping the vehicle, the fastening device is actuated, eg in the release position is adjustable and / or the time interval for actuating release of the fastening device begins and the operator load carrier, for example can adjust or remove after pressing the drive switch and unlocking the fastening device.
  • a time interval within which the fastening device can be actuated is preferably dimensioned so that the operator can comfortably walk to the rear of the vehicle and can serve there the load carrier. Then, however, the time interval ends so that erroneous manipulation of the load carrier is prevented.
  • the at least one activation condition may also include an energization of a lamp of the vehicle, in particular a lamp arranged at the rear of the vehicle, and / or a lamp arranged on the load carrier.
  • the tail light is, for example, a rear fog lamp, a reversing light, a flashing light of the vehicle or the load carrier or the like.
  • a variant of the invention can provide that the luminaire is a luminaire of the load carrier whose energization constitutes an activation condition for the control according to the invention.
  • the controller could be connected to a power supply line for at least one of these load-carrier-side lights, for example with the supply line leading to the load carrier. This variant is advantageous due to a short cable routing.
  • control for determining an energization of the luminaire is connected to an electrical system of the vehicle, for example with a power supply line leading to the respective luminaire.
  • controller is connected to a bus of the electrical system, via which the light is activated.
  • the electrical system of the vehicle can not be manipulated from the outside, which improves theft security. Contacts of the trailer socket are in principle accessible from the outside and accordingly manipulated.
  • the at least one activation condition suitably forms part of an activation condition group which checks the control for activating the drive switch for the time interval, the activation condition group having at least two activation conditions which the control checks for activation of the drive switch.
  • the activation condition group expediently comprises at least two of the aforementioned activation conditions.
  • the signal "terminal 15" is usually "OFF” or the ignition key is removed from the ignition.
  • the vehicle is locked or unlocked, with current vehicles flashing the lights of the vehicle at least once.
  • the operation takes place, for example, via the radio remote control, the transmitter is expediently arranged in a housing of the vehicle key.
  • the safety in this concept is high because, on the one hand, the start condition "terminal 15 off" and, on the other hand, at least one tail light signal, preferably two tail light signals (the two rear turn signals), are evaluated by the controller according to the invention.
  • the signals of the rear turn signals are available in the rear area with short cable routes for the control according to the invention. A trip while driving the vehicle is not possible. Sabotage is hardly possible. In addition, the cost of this variant are low. The operation is comfortable.
  • At least one activation condition may also include, for example, that the drive switch is unactuated prior to the start of activation. For example, if an operator already presses the drive switch before the time interval itself begins, the controller will not activate the drive switch. When the drive switch is pressed so no activation.
  • Another safety measure is when the controller only permits starting of the holding drive when the drive switch is actuated after the beginning of the time interval from an unactuated position to an actuated position. The controller thus checks a signal edge "off-on".
  • the drive switch only gives a start pulse for the holding drive and this then runs until the release position or the holding position of the fastening device is reached.
  • a limiting device may be provided which activates, e.g. Current supply, the holding drive limited in time to reach the holding position or the release position duration. This will e.g. avoiding overheating or unnecessary energy consumption.
  • the controller may be configured to adjust the time interval during energization of the hold drive and / or extended during actuation of the drive switch. Thus, it is prevented that the holding drive shuts off before the holding position or the release position is reached. On the other hand, the time interval need not be unnecessarily long, since only the start of the holding drive within the time interval must be made.
  • the controller expediently comprises at least one signal output for controlling an optical and / or acoustic function display device of the vehicle or of the load carrier.
  • the function display device can also be an integral part of the controller, for example, be arranged on a control board or in the housing of the controller.
  • the function display device is expediently arranged in the region of the load carrier, that is to say in the operating region for adjusting or gripping the load carrier.
  • the function display device can also be provided in a display of the vehicle, for example in the cockpit thereof.
  • the controller signals, for example, an activation of the drive switch via the at least one function display device. Further, the controller may also indicate, for example, a malfunction of the fastening device or a malfunction by means of the function display device, for example, when the drive switch was pressed before the beginning of the time interval.
  • Another safety feature can be a dual actuation concept: The drive switch can only be effectively operated when an additional release switch or safety switch has been operated simultaneously or in a short time before. Only if both switches (drive switch and safety switch) are pressed simultaneously or almost simultaneously be a method of retaining drive from the holding in the release position or vice versa is possible.
  • load carriers 10a-10c explained in detail below, identical or similar components are provided with the same reference numerals, with the lower case letters a, b, c being added to differentiate the embodiments or load carriers 10a, 10b, 10c.
  • the load carriers 10a, 10b, 10c are load carriers detachable from a vehicle 80.
  • the load carriers 10a, 10b, 10c each have a support base 11, which is designed as a support frame.
  • the respective support base 11 comprises a base leg 12, protrude from the side legs 13.
  • the base leg 12 and the side legs 13 form a U-shaped configuration.
  • the support base 11 is, so to speak, the base frame or the base support of the load carrier 10a, 10b, 10c.
  • the support base 11 is provided for releasable attachment to the vehicle 80.
  • a fastening device 16a, 16b, 16c is provided with which a detachable connection between the load carrier 10a, 10b, 10b and the vehicle 80 can be produced.
  • the fastening device 16a, 16b is, for example, for attachment to a trailer coupling 82 (indicated in FIG FIG. 3 ) of the vehicle 80.
  • the fastening device 16c can be fastened to a vehicle-side mounting 120, which is provided in particular specifically for load carriers.
  • the load carriers 10a, 10b, 10c that they occupy a position of use when driving the vehicle 80, then when they are needed and a load is to be placed on them, thereby projecting in front of the rear 81 of the vehicle 80.
  • the fastening devices 16a, 16b comprise a clamping chamber or clamping receptacle 17a, 17b with which the fastening device 16a, 16b can be clamped to a ball head 86 of the trailer coupling 82 or another fitting or coupling body thereof.
  • the load carriers 10a, 10b, 10c have, for carrying a load, respective support frames 25 fixed or movable with respect to the support base 11, e.g. pivotable and / or movable, are stored.
  • the respective support frames 25 each comprise support legs 26, which are connected to each other via a connecting leg 27.
  • the connecting leg 27 is designed, for example, as a license plate carrier or holds a license plate carrier 28.
  • the connecting leg 27 and the support legs 26 form a U-shaped arrangement.
  • the base legs 12 of the support base 11 support the support legs 26 from.
  • the connecting leg 27 and the base leg 12 are opposite each other.
  • other frame designs may be selected.
  • lights 29 may be arranged on the license plate carrier 28, for example.
  • the lights 29 are pivotally mounted by means of pivot bearings 30 on the connecting leg 27, so that they are adjustable between the driving position shown in the drawing, in which they are substantially aligned with the license plate bracket 28 or parallel, and a non-use position, so that they close to the Support legs 26 are arranged.
  • the lights 29 are arranged on the support frame 25 and not on the support base 11, which is of course conceivable.
  • the support frame 25 supports pivotally and / or linearly and / or curved displaceable support troughs 31, which are intended for parking, for example, bicycles or other two-wheeled vehicles.
  • the support troughs 31 are mounted by means of pivot bearings 32 pivotally mounted on the support legs 26 so that they between the use position G shown in the drawing and one in a Interior between the support legs 26 provided non-use position N or stowed position, are adjustable.
  • a load on the support troughs 31 can be secured by means of belts 53, which are inserted into holders 54 and latched there preferably in the manner of a ratchet.
  • a support 33 for supporting the load can be placed to the connecting legs 27 and away from this in a substantially upright position or angular position in which a load carrier is attachable to them.
  • pivot bearings 34 are provided.
  • a clamping screw 35 By means of a clamping screw 35, a respective pivot bearing 34 can be fixed, so that the respective position of the support 33 is fixed.
  • the support 33 is designed, for example, in the form of a U-bracket or a V-bracket, i. it forms a retaining bracket 36.
  • On the headband 36 for example, holding arms 37 for holding and supporting the load are present.
  • the holding arms 37 have, for example, terminals with which a frame of a bicycle can be clamped.
  • a plurality of motors are provided, that is drives of electrical and / or fluidic nature, which greatly facilitate their respective handling.
  • the load carriers 10a, 10b, 10c have e.g. Holding drives 60a, 60b, 60c on their fasteners 16a, 16b, 16c. These electrically operate in the present case, although of course other sources of energy are also possible, for example compressed air, oil or the like (pneumatic drives, hydraulic drives).
  • the fastening device 16a can be actuated manually or by way of a motor, whereby the motor concept will be presented below.
  • a terminal housing 19 which provides the clamp receptacle 17a, a holding member 61a movably mounted.
  • the holding member 61a comprises a clamping body 62 which is pivotally mounted on a pivot bearing 63.
  • the clamping body 62 has two tension and bearing arms 64 which project angularly from the clamping body 62, for example, form a U-shaped configuration.
  • a recess 65 is present, in this case a circular recess which is designed to receive the ball head 86.
  • the arms 64 are pivotally mounted on a bearing axis 66 and are guided past an abutment body 67. Such that the abutment body 67 and the clamping body 62 are located opposite each other and limit the clamp receptacle 17a. For example, the arms 64 are passed through openings 68 on the abutment body 67.
  • the clamping body 62 can undergo a pivoting and / or sliding movement relative to the abutment body 67, for example, an axial displacement indicated by an arrow 69 and / or a pivoting movement indicated by an arrow 70.
  • the abutment body 67 can pivot about the bearing axis 66 and thus open the clamp receptacle 17a, so that the ball head 86 can be moved into it, or close the clamp receptacle 17a, wherein the clamp body 62 is moved towards the abutment body 67 in the sense of clamping the ball head 86. This is then a holding position H.
  • the clamping receptacle 17a of the fastening device 16a can be opened and closed by means of a lever 18.
  • the clamping body 62 can be actuated with the lever 18, that is, between its release position F, the in FIG. 2 is shown, and the ball head 86 clamped holding position H.
  • the holding drive 60a comprises, for example, a linear drive with a motor 71a, which is arranged in a housing 72.
  • the motor 71a actuates or has a rod 73, for example a spindle or a push rod, so that it passes through an up and down movement 74.
  • the retaining drive 60a is fastened, for example, on the one hand to the base leg 12, that is to say of the support base 11, on the other hand to the lever 18.
  • a bearing in particular a rotary bearing and / or sliding bearing can be present.
  • the lever-side mounting is realized by means of a pivoting sliding bearing 75, so that the lever 18 is indeed thrust- and tension-resistant connected to the rod 73, but can pivot relative to the rod 73.
  • the pivoting sliding bearing 75 may be detachable, so that the lever 18 is also manually operable.
  • the motor 71a acts on the rod 73 by means of a pinion which meshes with a rack portion on the rod 73 in the region of the housing 72.
  • a spindle drive is possible, that is, for example, that the motor 71 a drives a spindle nut, which meshes with a spindle thread on the rod 73.
  • a self-locking is present, for example, a self-locking pitch of the thread on the rod 73, so that the rod 73, thus also the lever 18, even without energization or actuation of the motor 71a his or his respective Adheres to position. An additional locking is not necessary, but possible.
  • the load carriers 10a, 10b may also be designed to carry loads, e.g. Bicycles, provided load bearing parts 22a, 22b are adjusted by motor.
  • a load bearing member drive 24a includes e.g. a motor 39a, which is fixed to the support base 11, for example.
  • the motor 39a is located in an inner space of the side leg 13.
  • the motor 39a is provided with a drive pinion 40a to drive a load bearing part 22a formed by the support frame 25.
  • the pinion 40a meshes, for example, with a toothed rail 41 on the load-bearing part 22a.
  • the toothed rail 41 is arranged on the side leg 13 facing the inside of the support leg 26, such that it can mesh with the pinion 40 a.
  • a load carrying member drive 24b drives the support troughs 31.
  • a load-bearing part drive 24b is shown, which actuates the right in the drawing support grooves 31, which of course can be provided for the two left support grooves 31 such a drive.
  • a motor namely a direct drive, which is non-rotatably connected via a drive shaft, not shown, which protrudes on its front sides in front of its housing with the support grooves 31 to these between the Nutzwolf shown in the drawing and to adjust a between the support legs 26 in disguised non-use position.
  • the fastening device 16b is an electrical or fluidic drive concept in the foreground, the manual operation subordinate:
  • a housing 90 of the fastening device 16b which in principle surrounds the clamping receptacle 17b, a clamping body 91 serving as a holding member 61b and an opposing abutment body 92 are arranged.
  • the abutment body 92 is stationary, for example.
  • the housing 90 is configured in the manner of a lid.
  • the housing 90 has on its underside in any case an insertion opening for the hitch 82.
  • the housing 90 has, for example, a top wall 93 from which side walls 94, 95 and 96 extend away.
  • the side walls 94, 95 are opposite each other.
  • the side walls 96 (there are two) are also opposite.
  • the housing has a cubic shape, of course, other geometries are possible.
  • the abutment body 92 is fixedly arranged on the side wall 95, the clamping body 91 movably mounted on a sliding bearing 97.
  • the clamping body 91 can be adjusted relative to the abutment body 92, that is to this point until he takes the ball head 86 clamping holding position H, or away from the abutment body 92 (shown in phantom) until he finally assumes a release position F, in which the ball head 86th or another to be clamped dome body of a trailer hitch or a coupling piece of the vehicle 80 between the clamping body 91 and the abutment body 92 can be brought in or can be moved out of the space between these two components out.
  • the fastening device 16d can be removed from the trailer coupling 82.
  • the holding position H is a firm grip, also a clamping possible.
  • the holding member 61b is loaded by a spring 105 in the holding position H.
  • the spring 105 is supported on the holding member 61 b and the housing 90.
  • the holding drive 60b in this case acts as a release drive, i. only unidirectionally, in the release position F.
  • the holding drive 60b may also be formed by a compressed air drive or solenoid drive, which acts only in one direction.
  • the two clamping components namely the clamping body 91 and the abutment body 92 have mutually facing form-fitting contours 98.
  • the positive locking contours 98 are thus arranged on the front, the ball head 86 facing end faces of the clamping body 91 and the abutment body 92.
  • the form-fitting contours 98 have an internal spherical or dome-like shape, so that they are configured for positive engagement with the dome body, in the present case the ball head 86.
  • clamping and abutment bodies cooperating in accordance with the invention will of course have conforming contours, e.g. Planar surfaces, internal contours or the like. In any case, it is expedient if a positive fit of the ball head 86 on the clamping body 91 and abutment body 92 is possible.
  • clamping body 91 and the abutment body 92 act approximately in the region of an equatorial circumference 99 on the ball head 86, so that an optimal centering and also a good grip is possible.
  • supporting surfaces to be present in the region of the clamping receptacle 17b, for example a support 100 on the upper wall 93 which is provided for supporting on an upper flattening 87 of the ball head 86.
  • the present is the support 100 front side, that is, on its flattening 87 facing end face, relatively narrow or provided with a surface extent, so that the housing 90 relative to the ball head 86 is pivotally and the two clamping components (clamping body 91 and the abutment body 92) aligned with respect to the equatorial circumference 99 can be.
  • sensors 101 and 102 are designed for distance measurement.
  • the sensors 101, 102 are arranged on the top wall 93 and measure a distance to the flat 87. It is understood that distance sensors or other sensors may be provided elsewhere as well, for example, that the presence of the ball head 86 (in others Embodiments, of course, another dome body) within the clamp receptacle, which can serve as a switching condition for the holding drive 60a, 60b.
  • sensors may also be present in the fastening device 16a or the control 52, which will be explained in more detail later on, which may have both safety functions and also increase comfort.
  • the placement of the fastening device 16b on the hitch 82, in particular the centering, is now very comfortable: If the two sensors 101, 102 the same distance to be coupled body, in this case the ball head 86, determine, they turn on a holding drive 60b.
  • the holding drive 60b comprises, for example, an electric motor 71b whose output shaft 103 is configured for forward and backward rotation of the clamping body 91.
  • the holding drive 60b when the holding drive 60b is set in motion, it drives the clamping body 91 toward the abutment body 92 (in the direction of the holding position H) or from this way in the direction of the release position F.
  • the shaft 103 penetrates, for example, the sliding bearing 97th
  • clamping body 91 is guided linearly, so that the output shaft 103 can be screwed into the clamping body 91 orroisschraubbar out of this, to effect its longitudinal adjustment.
  • the jaws or clamping body assembly comprising the clamping body 91 and the abutment body 92 may also include other clamping and abutment elements or bodies. It is preferred that, for example, as in FIG. 5 represented in the region of a triangle (in plan view) in each case a clamping body 110 or an abutment body is arranged. It is conceivable, for example, that two abutment body are stationary, a clamping body 110 to relatively adjustable. Due to the 3-sided clamping, which is optimally operated on the basis of the motor drive concept, a static overdetermination is not to be feared, at the same time ensuring an optimal grip.
  • three movable clamping body and no abutment body, two movable clamping body and a fixed abutment body may be provided.
  • one of the clamping bodies, namely the abutment body 92 is stationary.
  • two clamping bodies are present, which are each driven and adjustable relative to each other, wherein it is expedient that the holding drive via a transmission acts on both clamping body, so that only one motor is necessary.
  • the transmission or transmission gear acts on all these bodies.
  • a plurality of clamping body 110 ie holding members 60d, are arranged in the manner of a clamping clasp and screwed by means of a rotatable ring 111 to the coupling ball or screwed away from this.
  • a motor 112 is provided for this purpose, which drives the ring 112, for example in the manner of the motor 71c.
  • the sensors 101, 102 can thus, as explained, the holding drive 60b on and off, when the appropriate positioning of clamping and abutment bodies is reached.
  • display means e.g. a display 104, which illuminates with suitable alignment of the sensors 101, 102 relative to the element to be coupled, the ball head 86. The operator thus has an indication as to whether the angular position of the fastening device 16b relative to the trailer coupling 82 is correct.
  • the present electrical load-bearing part drives 24a, 24b and the holding drives 60a, 60b are preferably powered by an electrical system 84 of the vehicle 80 with energy, i. with electricity, supplied.
  • energy i. with electricity
  • fluidic such as pneumatic load carrier part drives would be possible, but this is not realized in the embodiments.
  • a connector 56 of the load carrier 10b plugged into a trailer socket 85 of the vehicle 80 to be supplied from there with power and expediently with control signals.
  • a connection to the electrical system 84 of the vehicle 80 is made.
  • the connector 56 is over a cable 57 to the controller 52 and this in turn, in a manner not shown electrically connected to the holding drive 60b.
  • the control signal that the controller 52 receives from the on-board network 84 may be, for example, a bus signal or a bus information from a vehicle-side bus, e.g. a CAN bus, act. For example, if it is signaled that the doors of the vehicle 80 are open (central locking open), this means that the vehicle 80 is at least at a corresponding programming of the vehicle 80. Then, for example, by a press of a switch 42 an operator 52, the controller to actuate the holding drive 60b and / or the load carrier part drive 24b.
  • a bus signal or a bus information from a vehicle-side bus e.g. a CAN bus
  • An innovative operating concept can provide that, for example, by a predetermined actuation of the distance sensors 55, the controller 52 receives an operating command to actuate or supply the holding drive 60b.
  • the controller 52 controls the holding drive 60b for adjusting the fastening device 16b.
  • this may also depend on a distance of the driving body relative to one or more of the distance sensors 55.
  • a wireless operating concept is possible in which, for example, a transmitter 58 controls a receiver (not visible in the drawing) of the controller 52 by radio, ultrasound, infrared or in another way wirelessly to switch the holding drive 60b.
  • a transmitter 58 controls a receiver (not visible in the drawing) of the controller 52 by radio, ultrasound, infrared or in another way wirelessly to switch the holding drive 60b.
  • a receiver not visible in the drawing
  • a plug-in projection 140 of the fastening device 16c and a plug-in receptacle 121 of the holder 120 expediently have rectangular or square outer and inner contours, wherein other, also round geometries, are possible.
  • the plug-in receptacle 121 is provided on a sleeve-like receiving part 122.
  • an eccentric longitudinal stop 123 is provided on the receiving part 122.
  • the longitudinal stop 123 and an abutment region or clamping region of the receiving part 122 are provided with a longitudinal spacing relative to one another with respect to a plug-in axis 124, which can advantageously bring about a certain tilting or tilting in the sense of optimized bracing.
  • An abutment region 125 that is to say an abutment, is arranged or provided, for example, on a support sleeve 126, which in turn is arranged against rotation at the free end of the receiving part 122, for example welded or glued or screwed on.
  • a support sleeve 126 which has a thread
  • a holding member 61c forming cap sleeve 142 is screwed, which can be screwed onto the thread on the support sleeve 126.
  • the two threads form form-fitting contours and counter-form-fitting contours.
  • cap sleeve 142 is rotatable and displaceable to some extent with respect to the plug-in axis 124, which also represents a clamping axis, but only up to a not shown End stop. This makes it possible that by tightening the cap sleeve 142 on the support sleeve 126 of the mounting arm 141 is clamped to the vehicle bracket 13c.
  • the holding member 61c i. the cap sleeve 142
  • the holding member 61c is driven by a holding drive 60c.
  • a drive pinion 143 of a motor 71c of the holding drive 60c meshes with a toothing 144 on the holding member 61c (the cap sleeve 142) so that it can be adjusted by a motor between a holding position screwed onto the supporting sleeve 126 and a release position.
  • the fastening device 16c can be switched on and off via a drive switch 42.
  • the fastening device 16c can be connected to an electrical system of the vehicle 80 via an electrical connection (not shown), e.g. for their control and / or electrical power supply.
  • electrical contacts are present in the interior of the plug-in receptacle 121 and on the plug-in projection 140, which come into contact when the two parts are pushed against each other.
  • the fastener 16c disposed on the load carrier 10c could equally be provided on the vehicle 80 and the "passive" component, i. e.g. the bracket 120, on the load carrier 10c. Then, for example, a support region similar to the support sleeve 126 may be provided on the insertion projection 140, while the movable support member, corresponding to the cap sleeve, in the region of. Plug receptacle 121 is arranged, wherein there, on the vehicle, then also conveniently the holding drive is provided.
  • a holding drive 160 arranged on the vehicle 80, which can move a tie rod 161 back and forth in the direction of the plug axis 124 and / or pivot transversely thereto, wherein the tie rod 161 forms a holding member and into a plug projection 140 provided, ie provided on the load-carrier-side component of the load carrier coupling receptacle, so a resistance, and thus engages the two coupling parts (plug 121 and plug 140) against each other can clamp.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Lock And Its Accessories (AREA)
  • Agricultural Machines (AREA)
EP11009410A 2010-12-01 2011-11-28 Support de charge doté d'un dispositif de fixation entraîné Ceased EP2460692A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010052885.4A DE102010052885B4 (de) 2010-12-01 2010-12-01 Lastenträger mit einer angetriebenen Befestigungseinrichtung

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EP2460692A2 true EP2460692A2 (fr) 2012-06-06
EP2460692A3 EP2460692A3 (fr) 2012-08-01

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Cited By (5)

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WO2017140492A1 (fr) * 2016-02-17 2017-08-24 Westfalia-Automotive Gmbh Dispositif d'accouplement de porte-charge
EP3708430A1 (fr) * 2019-03-14 2020-09-16 Elite S.R.L. Dispositif de transport pour un attelage de remorque d'un véhicule
EP3936388A1 (fr) * 2020-07-10 2022-01-12 Carman Enterprise Co., Ltd. Support de charge arrière
CN118457107A (zh) * 2024-07-09 2024-08-09 深圳市拓海通用电气有限公司 脱挂钩装置
WO2024240865A1 (fr) * 2023-05-23 2024-11-28 Stefan Ziola Porte-charge comportant un dispositif de couplage destiné à être fixé à un dispositif de remorque d'un véhicule

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DE102015220756A1 (de) 2015-10-23 2017-04-27 Zf Friedrichshafen Ag Kugelgelenk für ein Fahrzeug
DE102015220755A1 (de) * 2015-10-23 2017-04-27 Zf Friedrichshafen Ag Kugelgelenk
DE102015220757A1 (de) 2015-10-23 2017-04-27 Zf Friedrichshafen Ag Kugelgelenk für ein Fahrzeug
DE102020122294A1 (de) 2020-08-26 2022-03-03 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur unterstützung eines nutzers bei einer montage eines trägers und computerprogrammprodukt

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WO1998009841A1 (fr) * 1996-09-06 1998-03-12 Mont Blanc Gmbh Galerie a monter sur un vehicule
WO1998029289A2 (fr) * 1997-01-04 1998-07-09 Cd Car Development Gmbh Vehicule a moteur comprenant un element de carrosserie arriere amovible
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EP2082922A1 (fr) * 2008-01-24 2009-07-29 Hermanus Gerhardus Johannes Fischer Porte-charge, en particulier pour bicyclettes
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EP2213515A1 (fr) * 2009-01-30 2010-08-04 Thule Sweden AB Dispositif de couplage
EP2332781A1 (fr) * 2009-12-09 2011-06-15 WESTFALIA - Automotive GmbH Support de charges doté d'un chariot et d'un dispositif de retenue

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WO2017140492A1 (fr) * 2016-02-17 2017-08-24 Westfalia-Automotive Gmbh Dispositif d'accouplement de porte-charge
AU2017219550B2 (en) * 2016-02-17 2021-10-21 Westfalia-Automotive Gmbh Load carrier coupling
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EP3708430A1 (fr) * 2019-03-14 2020-09-16 Elite S.R.L. Dispositif de transport pour un attelage de remorque d'un véhicule
EP3936388A1 (fr) * 2020-07-10 2022-01-12 Carman Enterprise Co., Ltd. Support de charge arrière
WO2024240865A1 (fr) * 2023-05-23 2024-11-28 Stefan Ziola Porte-charge comportant un dispositif de couplage destiné à être fixé à un dispositif de remorque d'un véhicule
CN118457107A (zh) * 2024-07-09 2024-08-09 深圳市拓海通用电气有限公司 脱挂钩装置

Also Published As

Publication number Publication date
DE102010052885A1 (de) 2012-06-06
DE102010052885B4 (de) 2023-02-09
EP2460692A3 (fr) 2012-08-01

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